<template>
  <a-card>
    <a-row :gutter="[8,0]" style="margin-bottom: 10px">
      <a-col :span="4">
        <!-- 模板选择 -->
        <a-select v-model='mode' showSearch @change="changeMode" :defaultValue="0" option-label-prop="label"
                  style="width: 100%;">
          <a-select-option v-for='(opt,idx) in modeList' :key='idx' :label="opt.name" :value='idx'>
            {{ opt.name }}
          </a-select-option>
        </a-select>
      </a-col>
      <a-col :span="20">
        <a-space>
          <!-- 纸张设置 -->
          <a-button-group>
            <template v-for="(value,type) in paperTypes">
              <a-button :type="curPaperType === type ? 'primary' : 'info'" @click="setPaper(type,value)" :key="type">
                {{ type }}
              </a-button>
            </template>
            <a-popover v-model="paperPopVisible" title="设置纸张宽高(mm)" trigger="click">
              <div slot="content">
                <a-input-group compact style="margin: 10px 10px">
                  <a-input type="number" v-model="paperWidth" style=" width: 100px; text-align: center"
                           placeholder="宽(mm)"/>
                  <a-input style=" width: 30px; border-left: 0; pointer-events: none; backgroundColor: #fff"
                           placeholder="~" disabled
                  />
                  <a-input type="number" v-model="paperHeight" style="width: 100px; text-align: center; border-left: 0"
                           placeholder="高(mm)"/>
                </a-input-group>
                <a-button type="primary" style="width: 100%" @click="otherPaper">确定</a-button>
              </div>
              <a-button :type="'other'==curPaperType?'primary':''">自定义纸张</a-button>
            </a-popover>
          </a-button-group>
          <a-button type="text" icon="zoom-out" @click="changeScale(false)"></a-button>
          <a-input-number
            :value="scaleValue"
            :min="scaleMin"
            :max="scaleMax"
            :step="0.1"
            disabled
            style="width: 70px;"
            :formatter="value => `${(value * 100).toFixed(0)}%`"
            :parser="value => value.replace('%', '')"
          />
          <a-button type="text" icon="zoom-in" @click="changeScale(true)"></a-button>
          <!-- 预览/打印 -->
          <a-button-group>
            <a-button type="primary" icon="eye" @click="preView">
              预览
            </a-button>
            <a-button type="primary" @click="print">
              直接打印
              <a-icon type="printer"/>
            </a-button>
          </a-button-group>
          <!-- 保存/清空 -->
          <a-button-group>
            <a-button type="primary" icon="save" @click="save">
              保存
            </a-button>
            <a-popconfirm
              title="是否确认清空?"
              okType="danger"
              okText="确定清空"
              @confirm="clearPaper"
            >
              <a-icon slot="icon" type="question-circle-o" style="color: red"/>
              <a-button type="danger">
                清空
                <a-icon type="close"/>
              </a-button>
            </a-popconfirm>
          </a-button-group>
          <json-view :template="template"/>
        </a-space>
      </a-col>
    </a-row>
    <a-row :gutter="[8,0]">
      <a-col :span="4">
        <a-card style="height: 100vh">
          <a-row>
            <a-col :span="24" class="rect-printElement-types hiprintEpContainer">
            </a-col>
          </a-row>
        </a-card>
      </a-col>
      <a-col :span="14">
        <a-card class="card-design">
          <div id="hiprint-printTemplate" class="hiprint-printTemplate"></div>
        </a-card>
      </a-col>
      <a-col :span="6" class="params_setting_container">
        <a-card>
          <a-row class="hinnn-layout-sider">
            <div id="PrintElementOptionSetting"></div>
          </a-row>
        </a-card>
      </a-col>
    </a-row>
    <!-- 预览 -->
    <print-preview ref="preView"/>
  </a-card>
</template>

<script>

import printPreview from './preview'
import jsonView from '../json-view.vue'

import {hiprint} from '../../index'
import providers from './providers'
import printData from './print-data'

let hiprintTemplate;
export default {
  name: "printCustom",
  components: {printPreview, jsonView},
  data() {
    return {
      template: null,
      // 模板选择
      mode: 0,
      modeList: [],
      // 当前纸张
      curPaper: {
        type: 'other',
        width: 220,
        height: 80
      },
      // 纸张类型
      paperTypes: {
        'A3': {
          width: 420,
          height: 296.6
        },
        'A4': {
          width: 210,
          height: 296.6
        },
        'A5': {
          width: 210,
          height: 147.6
        },
        'B3': {
          width: 500,
          height: 352.6
        },
        'B4': {
          width: 250,
          height: 352.6
        },
        'B5': {
          width: 250,
          height: 175.6
        }
      },
      scaleValue: 1,
      scaleMax: 5,
      scaleMin: 0.5,
      // 自定义纸张
      paperPopVisible: false,
      paperWidth: '220',
      paperHeight: '80',
      lastjson: '',
    }
  },
  computed: {
    curPaperType() {
      let type = 'other'
      let types = this.paperTypes
      for (const key in types) {
        let item = types[key]
        let {width, height} = this.curPaper
        if (item.width === width && item.height === height) {
          type = key
        }
      }
      return type
    }
  },
  mounted() {
    this.init()
    this.otherPaper()
  },
  methods: {
    init() {
      this.modeList = providers.map((e) => {
        return {type: e.type, name: e.name, value: e.value}
      })
      this.changeMode()
    },
    changeMode() {
      let {mode} = this
      let provider = providers[mode]
      hiprint.init({
        providers: [provider.f]
      });
      $('.hiprintEpContainer').empty()
      hiprint.PrintElementTypeManager.build('.hiprintEpContainer', provider.value);
      $('#hiprint-printTemplate').empty()
      let templates = this.$ls.get('KEY_TEMPLATES', {})
      let template = templates[provider.value] ? templates[provider.value] : {}
      this.template = hiprintTemplate = new hiprint.PrintTemplate({
        template: template,
        dataMode: 1, // 1:getJson 其他：getJsonTid 默认1
        history: false, // 是否需要 撤销重做功能
        onDataChanged: (type, json) => {
          console.log(type); // 新增、移动、删除、修改(参数调整)、大小、旋转
          console.log(json); // 返回 template
          // 更新模板
          // hiprintTemplate.update(json)
          // console.log(hiprintTemplate.historyList)
        },
        settingContainer: '#PrintElementOptionSetting',
        paginationContainer: '.hiprint-printPagination'
      });
      hiprintTemplate.design('#hiprint-printTemplate');
      // 获取当前放大比例, 当zoom时传true 才会有
      this.scaleValue = hiprintTemplate.editingPanel.scale || 1;
    },
    /**
     * 设置纸张大小
     * @param type [A3, A4, A5, B3, B4, B5, other]
     * @param value {width,height} mm
     */
    setPaper(type, value) {
      try {
        if (Object.keys(this.paperTypes).includes(type)) {
          this.curPaper = {type: type, width: value.width, height: value.height}
          hiprintTemplate.setPaper(value.width, value.height)
        } else {
          this.curPaper = {type: 'other', width: value.width, height: value.height}
          hiprintTemplate.setPaper(value.width, value.height)
        }
      } catch (error) {
        this.$message.error(`操作失败: ${error}`)
      }
    },
    changeScale(big) {
      let scaleValue = this.scaleValue;
      if (big) {
        scaleValue += 0.1;
        if (scaleValue > this.scaleMax) scaleValue = 5;
      } else {
        scaleValue -= 0.1;
        if (scaleValue < this.scaleMin) scaleValue = 0.5;
      }
      if (hiprintTemplate) {
        // scaleValue: 放大缩小值, false: 不保存(不传也一样), 如果传 true, 打印时也会放大
        hiprintTemplate.zoom(scaleValue, true);
        this.scaleValue = scaleValue;
      }
    },
    otherPaper() {
      let value = {}
      value.width = this.paperWidth
      value.height = this.paperHeight
      this.paperPopVisible = false
      this.setPaper('other', value)
    },
    preView() {
      let {width} = this.curPaper
      this.$refs.preView.show(hiprintTemplate, printData, width)
    },
    print() {
      if (window.hiwebSocket.opened) {
        const printerList = hiprintTemplate.getPrinterList();
        console.log(printerList)
        hiprintTemplate.print2(printData, {printer: '', title: 'hiprint测试打印'});
        return
      }
      this.$message.error('客户端未连接,无法直接打印')
    },
    save() {
      let {mode} = this
      let provider = providers[mode]
      this.setTemplate({
        name: provider.value,
        json: hiprintTemplate.getJson()
      })
    },
    setTemplate(payload) {
      let templates = this.$ls.get('KEY_TEMPLATES', {})
      console.log(payload.json)
      templates[payload.name] = payload.json
      this.$ls.set('KEY_TEMPLATES', templates)
      this.$message.info('保存成功')
    },
    clearPaper() {
      try {
        hiprintTemplate.clear();
      } catch (error) {
        this.$message.error(`操作失败: ${error}`);
      }
    }
  }
}
</script>

<style lang="less" scoped>
// build 拖拽
/deep/ .hiprint-printElement-type > li > ul > li > a {
  padding: 4px 4px;
  color: #1296db;
  line-height: 1;
  height: auto;
  text-overflow: ellipsis;
}

// 默认图片
/deep/ .hiprint-printElement-image-content {
  img {
    content: url("~@/assets/logo.png");
  }
}

// 设计容器
.card-design {
  overflow: hidden;
  overflow-x: auto;
  overflow-y: auto;
}

</style>
